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krishna casukhela 7krishna casukhela 7 

How to disable apex command button in vf page

Hello
I need to disable the command button in the visual force page.
I have a piece of logic which fetch data into an custom object called subscription__c.

The subscription object has a field called Mailing_List_Name__c.

IN the URL I will append a value , based on this it fetches the data.

If the Mailing_List_Name__c is empty then I want to disable the command button in visual force page.
  
public List<Subscription__c> subs;

 public BusinessObjects__c tlBU;  

 public void loadSubscriptions() {
      
  subs = [SELECT Id, Name, Active__c, Mailing_List_ID__c, Mailing_List_Name__c, Fan_ID__c, Promo_ID__c, Mailing_List_ID__r.TLA_ID__c, 
                       Mailing_List_ID__r.Territory__c 
                       FROM Subscription__c 
                       WHERE Fan_Id__c =:fan.Id];             
                
        //---------**** Territory Id & Territory Name of the Business Unit ****-----------
     try
     {
        tlBU=[select ID,Name
                     from BusinessObjects__c
                     where 
                      MID__c=:ApexPages.currentpage().getparameters().get('mid')];
      
        TerritoryCheck=tlBU.Name;

}

vf page

  <label><apex:inputCheckbox value="{!s.selection}"/></label>
                                                                 
  <apex:commandButton value="SAVE CHANGES" action="{!btn_subscription_saveChanges}" reRender="outPanelSub"/>
Please let me know how to achieve this.

Thanks
krishna

 
Waqar Hussain SFWaqar Hussain SF
public List<Subscription__c> subs;

 public BusinessObjects__c tlBU; 
 public boolean btnDisable {get; set;} 

 public void loadSubscriptions() { 
      
  subs = [SELECT Id, Name, Active__c, Mailing_List_ID__c, Mailing_List_Name__c, Fan_ID__c, Promo_ID__c, Mailing_List_ID__r.TLA_ID__c, 
                       Mailing_List_ID__r.Territory__c 
                       FROM Subscription__c 
                       WHERE Fan_Id__c =:fan.Id];             
  
  btnDisable = false;
  if(subs.size() > 0 and subs[0].Mailing_List_Name__c != null)
  btnDisable = true;
        //---------**** Territory Id & Territory Name of the Business Unit ****-----------
     try
     {
        tlBU=[select ID,Name
                     from BusinessObjects__c
                     where 
                      MID__c=:ApexPages.currentpage().getparameters().get('mid')];
      
        TerritoryCheck=tlBU.Name;

}

vf page

  <label><apex:inputCheckbox value="{!s.selection}"/></label>
                                                                 
  <apex:commandButton value="SAVE CHANGES" action="{!btn_subscription_saveChanges}" reRender="outPanelSub" disabled="{!btnDisable}"/>

 
krishna casukhela 7krishna casukhela 7
HI
The browser URL is like this : https://sony--fullcopysb--c.cs88.visual.force.com/apex/Pref6?id=Y4IrnfVyr9sTRtE2lz57cA&mid=6393793

so the mailing list name is always present in sub object but also subject to the MID of the BusinessObjects__c

for the above URL Mailing_List_Name__c is present in subscription object and also MID=6393793 condition is satisfied.

But if MID is say 6393790 and subscription__c object may have subscriptions but they may not be connected to the MID.

Now as per ur current code when I use the above URL the button is disabled even though mailing_list_name__c is present and also the MID is connected .

can u pls help me with this

thanks
krishna